Lock



FIG. 1 is a perspective view of a lock of the new design, showing a shackle in phantom lines;

FIG. 2 is a front view of the lock of FIG. 1;

FIG. 3 is a rear view of the lock of FIG. 1;

FIG. 4 is a side view of the lock of FIG. 1, wherein each side is a mirror image of the other;

FIG. 5 is a top view of the lock of FIG. 1;

FIG. 6 is a bottom view of the lock of FIG. 1;

FIG. 7 is a perspective view of another lock of the new design, showing a multi-sided shackle;

FIG. 8 is a front view of the lock of FIG. 7;

FIG. 9 is a rear view of the lock of FIG. 7;

FIG. 10 is a side view of the lock of FIG. 7, wherein each side is a mirror image of the other;

FIG. 11 is a top view of the lock of FIG. 7;

FIG. 12 is a bottom view of the lock of FIG. 7;

FIG. 13 is a perspective view of yet another lock of the new design, showing a round shackle;

FIG. 14 is a front view of the lock of FIG. 13;

FIG. 15 is a rear view of the lock of FIG. 13;

FIG. 16 is a side view of the lock of FIG. 13, wherein each side is a mirror image of the other;

FIG. 17 is a top view of the lock of FIG. 13; and,

FIG. 18 is a bottom view of the lock of FIG. 13.

The portions of the Figures shown in phantom lines are not part of the claimed design, but are for illustration purposes only. 

The ornamental design for a lock, as shown and described. 